-42
domain: Z
Appears in sequences
- The negative integers.at n=41A001478
- a(n) = -n.at n=42A001489
- Glaisher's chi numbers chi(p) for p a prime of the form 4m+1.at n=46A002172
- Expansion of (Sum_{n=-inf..inf} x^(n^2))^(-21).at n=1A004422
- n-th derivative of x^x at x=1. Also called Lehmer-Comtet numbers.at n=7A005727
- 1 + Sum_{n>=1} a_n x^n = Product_{n>=1} (1-x^n)^prime(n).at n=11A007441
- Triangle of Lah numbers.at n=26A008297
- Coefficients in expansion of (x-1)*(1+x)^(n-1), n > 0.at n=59A008482
- Coefficients in expansion of (x-1)*(1+x)^(n-1), n > 0.at n=71A008482
- Expansion of log(1+tanh(x)/exp(x)).at n=4A009402
- Expansion of e.g.f.: sin(sinh(x))*exp(x).at n=6A009492
- Expansion of sin(x)*exp(sin(x)).at n=6A009541
- Expansion of e.g.f. sin(x)*sin(sinh(x)) (even powers only).at n=3A009547
- Expansion of e.g.f. sinh(log(1+x)/exp(x)).at n=4A009584
- Expansion of e.g.f. sinh(sin(x))*exp(x).at n=6A009590
- Expansion of e.g.f. sinh(sin(x)) * sin(x) (even powers only).at n=3A009591
- Expansion of sinh(x)*exp(sin(x)).at n=6A009622
- Expansion of e.g.f. tan(tanh(x))*exp(x).at n=6A009716
- Expansion of e.g.f. tan(tanh(x))*sin(x) (even powers only).at n=3A009717
- Expansion of e.g.f.: tanh(tan(x))*exp(x).at n=6A009810